736427061561 has 8 divisors (see below), whose sum is σ = 985552945920. Its totient is φ = 489126275792.

The previous prime is 736427061541. The next prime is 736427061569. The reversal of 736427061561 is 165160724637.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 736427061561 - 2⁶ = 736427061497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 736427061561.

It is not an unprimeable number, because it can be changed into a prime (736427061569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456273705 + ... + 456275318.

It is an arithmetic number, because the mean of its divisors is an integer number (123194118240).

Almost surely, 2^736427061561 is an apocalyptic number.

It is an amenable number.

736427061561 is a deficient number, since it is larger than the sum of its proper divisors (249125884359).

736427061561 is a wasteful number, since it uses less digits than its factorization.

736427061561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912549295.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 736427061561 in words is "seven hundred thirty-six billion, four hundred twenty-seven million, sixty-one thousand, five hundred sixty-one".